Is the diamond industry a cartel?

Written by Editorial Team | Last Updated: August 2026

The historical diamond industry operated for decades under tight centralized supply monopolies and single-channel marketing syndicates that controlled global pricing structures akin to a cartel. While the modern diamond market has evolved significantly with the rise of independent diamond producers, diverse international mining conglomerates, and advanced lab-grown gem alternatives, legacy market concentrations still influence global rough diamond distribution channels.

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